– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 am Tue 13 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Tue 13 Oct Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 8mm), mostly falling on Tue night. Warm (max 20°C on Thu afternoon, min 9°C on Tue morning). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 32mm), heaviest during Sat morning. Warm (max 20°C on Fri morning, min 5°C on Sat night). Wind will be generally light. | |||||||||||||||||
Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | | |  |  | | | | |  | |
some clouds | cloudy | mod. rain | light rain | rain shwrs | clear | clear | clear | clear | clear | some clouds | rain shwrs | heavy rain | rain shwrs | rain shwrs | some clouds | cloudy | light rain | |
Cloud base (m) | 2350 | 1950 | 600 | 600 | 800 | 8950 | 8200 | 9450 | 9150 | 750 | 600 | 700 | 5850 | 650 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 6 | 2 | 0.1 | — | — | — | — | — | — | 10 | 16 | 3 | 0.3 | — | — | 3 |
max °C | 10 | 12 | 10 | 11 | 14 | 12 | 18 | 20 | 16 | 20 | 20 | 14 | 11 | 8 | 7 | 10 | 11 | 9 |
min °C | 9 | 10 | 10 | 11 | 14 | 11 | 12 | 19 | 15 | 15 | 18 | 11 | 8 | 8 | 5 | 6 | 11 | 6 |
chill °C | 9 | 10 | 10 | 11 | 14 | 11 | 12 | 19 | 15 | 15 | 18 | 10 | 6 | 6 | 4 | 5 | 11 | 4 |
Freezing level m | 2750 | 2750 | 2850 | 3250 | 3600 | 3800 | 3750 | 3650 | 3750 | 3700 | 3500 | 2950 | 1700 | 1650 | 1650 | 2250 | 2150 | 1400 |
 | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — |
 | — | 6:22 | — | — | 6:21 | — | — | 6:19 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 8mm), mostly falling on Tue night. Warm (max 20°C on Thu afternoon, min 9°C on Tue morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 32mm), heaviest during Sat morning. Warm (max 20°C on Fri morning, min 5°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.